"We experimentally implement QOT with a linear optical system and demonstrate its advantage comparing to widely accepted full state tomography," Zhengning Yang, one of the researchers who carried out the study, told Phys.org. "QOT is a method to reconstruct subsystems of an unknown quantum many-body state with a small dataset, which was first theoretically proposed by Jordan Cotler and Frank Wilczek at Stanford and MIT."
Read more here: The experimental realization of quantum overlapping tomography
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